diff --git a/notes.md b/notes.md
index 1733cce..52f6cd6 100644
--- a/notes.md
+++ b/notes.md
@@ -38,6 +38,7 @@
  
  https://gist.github.com/dschep/24aa61672a2092246eaca2824400d37f
  sudo easy_install-3.6 -U pip  # https://stackoverflow.com/a/34580922/3761783
+ sudo pip3.6 install --upgrade pip
  sudo pip3.6 install socketio-client
  sudo pip3.6 install RPi.GPIO
  python3.6 test.py